Plug for blood collecting tube



FIG. 1 is a perspective view of a plug for blood collecting tube showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 3 is a right side elevational view thereof, the left side elevational view being identical thereto;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a cross-sectional view thereof taken along line VI--VI of FIG. 2. 

The ornamental design for a plug for blood collecting tube, as shown and described. 